157 lines
4.2 KiB
Plaintext
157 lines
4.2 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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menu "LED Support"
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config USERLED
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bool "LED driver"
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default n
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---help---
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Enable standard user LED upper half driver.
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if USERLED
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config USERLED_LOWER
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bool "Generic Lower Half LED Driver"
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default n
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depends on ARCH_HAVE_LEDS
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---help---
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If the board supports the standard LED interfaces as
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defined in include/nuttx/board.h header file, then this
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standard LED lower half driver might be usable.
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In order for this generic driver to be usable:
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1. The board implementation must provide the LED
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interfaces as defined in include/nuttx/board.h
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If your board does not meet these requirements, then the
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userled_lower.c file can still be copied to your your
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board src/ directory and modified for your specific board
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requirements.
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config USERLED_LOWER_READSTATE
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bool "LED Driver Read Actual Pin State"
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default n
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depends on USERLED_LOWER
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---help---
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Extends the standard LED interface as defined in the
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include/nuttx/board.h header file with a function that
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checks the actual state of the pin controlling the LED,
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which can be used to find malfunctioning LEDs.
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endif # USERLED
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config LEDS_APA102
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bool "APA102 LED Strip"
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default n
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select SPI
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---help---
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Enable support for the APA102 LED Strip driver.
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config LEDS_MAX7219
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bool "MAX7219 Numeric Display"
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default n
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select SPI
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---help---
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Enable support for the MAX7219 to control 7-segment displays.
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config RGBLED
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bool "RGB LED Driver Support"
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default n
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---help---
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This selection enables building of the "upper-half" RGB LED driver.
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See include/nuttx/rgbled.h for further PWM driver information.
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config RGBLED_INVERT
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bool "Invert RGB LED Output"
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depends on RGBLED
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default n
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---help---
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If the board has a common anode RGB LED (a LOW output turns ON
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each LED), this selection inverts the outputs so that the
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colors are displayed correctly.
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config RGBLED_LIGHTNESS_CORRECTION
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bool "Apply Lightness Correction"
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depends on RGBLED
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default n
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---help---
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This selection enables an approximate CIE 1931 lightness
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correction which helps the RGB LED visually fade and blend
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in a more linear, smooth, and visually appealing fashion.
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config PCA9635PW
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bool "PCA9635PW I2C LED Driver"
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default n
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select I2C
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---help---
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Enable support for the NXP PCA9635PW LED driver which can be
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utilized to drive up to 16 LED's.
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config NCP5623C
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bool "NCP5623C I2C LED Driver"
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default n
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select I2C
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---help---
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Enable support for the onsemi NCP5623C LED driver which can be
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utilized to drive up to 3 LED's.
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config WS2812
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bool "WS2812 LED Driver"
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default n
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select SPI
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---help---
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Enable support for the Worldsemi WS2812 LED driver which commonly
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found in LED strips.
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NOTE: Depening on the board slected this device may require
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exclusive use of an SPI bus as ws2812 LEDs have no CS or
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RESET line.
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# NOTE: Once the older SPI driver is migrated to the new model
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# we should remove the "select SPI" in the above config.
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config WS2812_NON_SPI_DRIVER
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bool "Support the new non-SPI WS2812 driver."
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default n
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depends on WS2812
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---help---
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The original driver used SPI hardware to clock bits to the
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pixels. The driver is being re-designed to support other
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implementations. Selecting this option builds the new
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model driver.
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config WS2812_LED_COUNT
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int "Number of ws2812s connected."
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default 1
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range 1 65535
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depends on WS2812
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---help---
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The number of ws2812s chained to this port. Although the
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driver allows up to 65,535 ws2812s the practical limit will
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depend on processor speed and other resources.
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config WS2812_HAS_WHITE
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bool "ws2812s have white LED."
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default n
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depends on WS2812
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---help---
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Some ws2812 work-alike chips have a white LED in addition
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to the standard red, green, and blue LEDs. This option
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enables support for such chips. Note that the driver does
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not support chains with a mix of RGB and RGBW pixels.
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config WS2812_FREQUENCY
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int "WS2812 Bit Frequency (Hz)"
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default 800000
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depends on WS2812
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---help---
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This is should be set to the bit frequency of the
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ws2812s being used. Newer chips use an 800 kHz
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bit frequency (the default); although, some older
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chips run at 400 kHz.
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endmenu # LED Support
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